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參數(shù)資料
| 型號： | LM4851LQ/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.5 W, 3 CHANNEL, AUDIO AMPLIFIER, QCC24 |
| 封裝： | LLP-24 |
| 文件頁數(shù)： | 18/22頁 |
| 文件大?。?/td> | 1126K |
| 代理商： | LM4851LQ/NOPB |
The following specifications apply for V
DD= 3.0V, TA= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4851
Units
(Limits)
Typical
Limit
THD+N
Total Harmonic Distortion Plus
Noise
R
OUT and LOUT; f = 1kHz
P
OUT = 20mW; RL =32
0.5
% (max)
SPKR
OUT; f = 1kHz
P
OUT = 300mW; RL =8
1.0
% (max)
R
OUT and LOUT; f = 20Hz to 20kHz
P
OUT = 20mW; RL =32
0.4
%
SPKR
OUT; f = 20Hz to 20kHz
P
OUT = 300mW; RL =4
LM4851LQ
0.3
%
SPKR
OUT; f = 20Hz to 20kHz
P
OUT = 250mW; RL =8
0.3
%
N
OUT
Output Noise
A-weighted (Note 10)
29
V
PSRR
Power Supply Rejection Ratio
V
RIPPLE = 200mVPP; f = 217Hz
Input floating; Input referred
70
dB
V
RIPPLE = 200mVPP; f = 217Hz
Input terminated into 50
; Output referred
62
dB
V
IH
Logic High Input Voltage
1.4
3.0
V (min)
V (max)
V
IL
Logic Low Input Voltage
0.4
V (max)
Digital Volume Range (R
IN and
L
IN)
Input referred minimum gain
Input referred maximum gain
-40.5
+6
dB
Digital Volume Stepsize
1.5
dB
Stepsize Error
±0.5
dB
Phone In Volume
BTL gain from
Phone In to SPKR
OUT
6dB
Phone In Volume
BTL gain from
Phone In to R
OUT,LOUT
0dB
Phone In Input Impedance
20
15
25
k
(min)
k
(max)
R
IN and LIN
50
37.5
62.5
k
(min)
k
(max)
t
ES
Enable Setup Time (ENB)
20
ns (min)
t
EH
Enable Hold Time (ENB)
20
ns (min)
t
EL
Enable Low Time (ENB)
30
ns (min)
t
DS
Data Setup Time (DATA)
20
ns (min)
t
DH
Data Hold Time (DATA)
20
ns (min)
t
CS
Clock Setup Time (CLK)
20
ns (min)
t
CH
Clock Logic High Time (CLK)
50
ns (min)
t
CL
Clock Logic Low Time (CLK)
50
ns (min)
t
CLK
Clock Frequency
DC
10
(min)
MHz (max)
Note 2: Absolute Maximum Rating indicate limits beyond which damage to the device may occur.
Note 3: Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and
test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may
degrade when the device is not operated under the listed test conditions.
Note 4: Human body model, 100pF discharged through a 1.5k
resistor.
Note 5: Typical specifications are specified at +25C and represent the most likely parametric norm.
Note 6: Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
LM4851
www.national.com
5
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LM4852 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Integrated Audio Amplifier System |
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| LM48520TL/NOPB | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM48520TLBD | 功能描述:音頻 IC 開發(fā)工具 LM48520TLBD EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
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